Security Vulnerabilities fixed in Thunderbird 156 — Mozilla

A maliciously constructed mail header could lead to multiple fields being parsed as one, or potential memory safety violations. A maliciously constructed IMAP line could cause an out-of-bounds buffer read. A malicious or compromised IMAP server can trigger an out-of-bounds read in the IMAP respon...

Security Vulnerabilities fixed in Thunderbird 140.16 — Mozilla

A maliciously constructed mail header could lead to multiple fields being parsed as one, or potential memory safety violations. A maliciously constructed IMAP line could cause an out-of-bounds buffer read. A malicious or compromised IMAP server can trigger an out-of-bounds read in the IMAP respon...

CVE-2026-91145

Activiti through 7.1.0.M6 fails to validate hash-brace deferred expressions in process variables, allowing attackers to bypass expression filtering. Attackers can inject expressions beginning with that are stored and later evaluated in the full Spring context when a mail task uses variable-backed...

CVE-2026-91145

Activiti through 7.1.0.M6 contains an expression injection vulnerability in its mail task handling. The root cause is a failure to validate hash-brace (#{}) deferred expressions in process variables, allowing an attacker to bypass expression filtering. Injected expressions are stored and later ev...

CVE-2026-91145 Activiti through 7.1.0.M6 Expression Injection via Mail Task

Activiti through 7.1.0.M6 fails to validate hash-brace deferred expressions in process variables, allowing attackers to bypass expression filtering. Attackers can inject expressions beginning with that are stored and later evaluated in the full Spring context when a mail task uses variable-backed...

CVE-2026-91145 Activiti through 7.1.0.M6 Expression Injection via Mail Task

Activiti through 7.1.0.M6 fails to validate hash-brace deferred expressions in process variables, allowing attackers to bypass expression filtering. Attackers can inject expressions beginning with that are stored and later evaluated in the full Spring context when a mail task uses variable-backed...

CVE-2026-91145 Activiti through 7.1.0.M6 Expression Injection via Mail Task

Activiti through 7.1.0.M6 fails to validate hash-brace deferred expressions in process variables, allowing attackers to bypass expression filtering. Attackers can inject expressions beginning with that are stored and later evaluated in the full Spring context when a mail task uses variable-backed...

Astra Linux – Vulnerability in exim4

Exim 4 before 4.94.2 has an improper neutralization of line delimiters. An authenticated remote SMTP client can insert newline characters into a spool file which indirectly leads to remote code execution as root via the AUTH= parameter in the MAIL FROM command...

Astra Linux – Vulnerability in WebKit2GTK

A validation issue has been addressed through improved input sanitization. This issue is fixed in iOS 15.3, iPadOS 15.3, watchOS 8.4, tvOS 15.3, Safari 15.3, and macOS Monterey 12.2. Processing a maliciously crafted email message may result in the execution of arbitrary JavaScript code...

Astra Linux – Vulnerabilities in Firefox, Thunderbird, NSS

After accepting an untrusted certificate, handling an empty PKCS7 sequence as part of the certificate data could have led to a crash. This crash is believed to be exploitable. This vulnerability affects Firefox ESR 91.5, Firefox 96, and Thunderbird 91.5...

Astra Linux – Vulnerability in sendmail

Sendmail in version 8.17.2 allows for SMTP smuggling in certain configurations. Remote attackers can utilize a published exploitation technique to inject e-mail messages with a spoofed MAIL FROM address, thereby bypassing an SPF protection mechanism. This issue arises because Sendmail supports...

Astra Linux – Vulnerability in Python 3.11, Python 3.7

When an address list is folded, and the separating comma ends up on a folded line that needs to be encoded using Unicode, then the separator itself must also be encoded using Unicode. The expected behavior is that the separating comma remains a plain comma. However, this can lead to the address...

Astra Linux – Vulnerabilities in expat, Firefox, Thunderbird

In libexpat before version 2.7.4, the doContent function does not properly determine the buffer size bufSize, as there is no check for integer overflow during the reallocation of the tag buffer...

Astra Linux – Vulnerability in exim4

Before version 4.97.1, Exim allowed SMTP smuggling in certain pipeline/chunking configurations. Remote attackers could use a known exploitation technique to inject e-mail messages with a spoofed MAIL FROM address, thereby bypassing an SPF protection mechanism. This issue arises because Exim...

Astra Linux – Vulnerability in Firefox and Thunderbird

By injecting a cookie with certain special characters, an attacker on a shared subdomain that is not in a secure context can set and overwrite cookies from a secure context. This leads to session fixation and other attacks. This vulnerability affects Firefox ESR 102.3, Thunderbird 102.3, and...

Astra Linux – Vulnerability in exim4

Exim 4 before 4.94.2 has an improper restriction on write operations within the bounds of a memory buffer. This occurs when processing name=value pairs within MAIL FROM and RCPT TO commands...

Astra Linux – Vulnerability in exim4

Exim 4 before 4.94.2 allowed out-of-bounds read vulnerabilities. The smtpsetupmsg function may disclose sensitive information from the process memory to an unauthenticated SMTP client...

Astra Linux – Vulnerability in curl

There is an improper authentication vulnerability in curl versions 7.33.0 through and including 7.82.0. This vulnerability may allow for the reuse of OAUTH2-authenticated connections without ensuring that the connection was authentically verified with the same credentials used for this transfer...

Astra Linux – Vulnerability in exim4

The STARTTLS feature in Exim up to 4.94.2 allows for response injection buffering during MTA SMTP sending...

CVE-2026-82795

SolarView Compact contains a cross-site scripting vulnerability in Schedule Settings and Mail Send Setting. If this vulnerability is exploited, an arbitrary OS command may be executed by an attacker who can log in to the product...